L-lysine is an amino acid, a building block for proteins, promoting body repair and muscle growth. It helps cats to fight against stress and to promote body immunity

Taurine is also an essential amino acid to cats, it is important in the formation of bile salts which aids the digestion of fats and absorption of fat soluble vitamins, it is also important in other body functions such as cardiac, brain, immune and reproduction. Taurine deficiency in cats will result in irreversible blindness, heart problems and reduced fertility.